Jijing 69 (Rice)

Jijing 69 was bred by Rice Research Institute of Jilin Academy of Agricultural Sciences from the hybrid offspring of 769ap02428max / Zhansan in 1991.

The sowing date of Jijing 69 is from April 10 to 15, the transplanting date is from May 20 to 25, the heading date is from July 23 to 27, and the mature period is about September 10. The growth period is 135days, and the effective accumulated temperature is 2650 ℃. The plant height is 95 cm, the stem is strong and resistant to lodging, the leaf color is light green, the flag leaf extends horizontally after heading, the tillering ability is strong, and the number of effective panicles per plant can reach more than 36. The length of the main ear is about 21 cm, the number of filled grains in the main ear is more than 150, and the comprehensive character is excellent and the stress resistance is strong. Resistant to rice blast, sheath blight, false smut, drought, salt, cold and frost, fertilizer and lodging, moderate maturity and mature stalk. Yield components 16.6 holes / m ~ 2, effective panicles 400-450 ears, 100 grains per panicle, seed setting rate 96%, 1000-grain weight 24.2 grams. In the three-year provincial regional test from 1995 to 1997, the average yield per mu was 516.4 kg, 3.7% higher than that of the control rattan line 138. in the provincial production test from 1996 to 1997, the average yield per mu was 540.2 kg, 8.4% higher than that of the control rattan line 138.

According to the laboratory analysis of the rice quality supervision, inspection and testing center of the Ministry of Agriculture, the rate of milled rice is 75.8%, the rate of head rice is 71.2%, the transparency is grade 1, the ratio of length to width of grain shape is 1.6, gelatinization temperature grade 7, gel consistency 63 mm, protein content 9.0% and other 12 main indicators, reaching the secondary standard of high quality rice issued by the Ministry.

Rice Research Institute of Jilin Academy of Agricultural Sciences

Regional and technical Jijing 69 is suitable for planting in the middle-ripening rice growing area of Jilin Province. Liaoning, Heilongjiang, Shanxi, Inner Mongolia and other provinces can also be cultivated in suitable areas. At present, it has become one of the main varieties in Jilin Province and Heilongjiang, Inner Mongolia and other provinces and regions.

Cultivation rules:

1. The seeds of sparse sowing strong seedlings were strictly disinfected with seed soaking agent before sowing to prevent the occurrence of evil seedling disease. The seedlings are raised by drought, and the seeds are accelerated to germinate 150 grams per square meter when sowing. Timely ventilation and exercise after emergence to prevent the occurrence of blight.

two。 Timely transplanting seedlings on the basis of cultivating strong seedlings, transplanting seedlings around May 20, plant hole distance of 30 cm × 20 cm, 3 seedlings per hole to ensure the quality of transplanting seedlings.

3. Rational application of farm manure, combined application of phosphorus and potassium fertilizer, per hectare application of chemical fertilizer pure nitrogen (N > 150kg), pure phosphorus (Pz05) 75kg, pure potassium (K2O) 100kg.

4. The whole growth period of scientific irrigation is mainly wet irrigation, drainage and sun drying in the middle stage to enhance lodging resistance.

5. Control of diseases, insect pests and weeds: before and after heading, Fuji No.1 EC was used to control rice blast. Roxone or DT fungicide was used to control false smut of rice 5-7 days before heading. Insect control: in the first and middle of June, 7.75 kg of 5% methamidophos per hectare was applied to 300 kg of fine sand to control leafminer; Shachongshuang was used to control rice stem borer before July 10-20. Weeding: control barnyardgrass 5-7 days after transplanting with butachlor, Caokexing and Nudeshi, and keep the water layer for 5-7 days after application.